thank u very much,

i'll try :)



Dennis Cote wrote:
> 
> vl.pavlov wrote:
>> hello & thanks 4 reply
>> 
>> ok, i think i understand,
>> i would like that you, if not prob., write the whole solution once with
>> index on words
>> 
> 
> Here it is again.
> 
>      create table words (word text primary key, number integer);
> 
>      insert or replace into words values(:word,
>          coalesce((select number from words where word = :word) + 1, 1));
> 
> I have changed the field name above from the original count to number to 
> avoid confusion with the count() function in SQL.
> 
> The primary key constraint on the word column creates a unique index on 
> the words with the word field in ascending order. That index is used to 
> quickly locate a word in the table, or determine that the word is 
> missing from the table.
> 
> The :word is a parameter to the insert statement that you bind to the 
> word you want to insert. If you are generating the SQL as text then 
> simply replace that identifier with a literal string containing the word 
> to be inserted.
> 
> HTH
> Dennis Cote
> 
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> 
> 

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